fix: don't change user from s6 process

Might fix browsershot permissions issue

docker/app/rootfs/etc/s6/worker/queue-runner/run

@@ -1,4 +1,4 @@
 #!/bin/sh
 set -x
 
-exec s6-setuidgid "${PUID:-www-data}" php /app/artisan queue:work -n --delay=90 --tries=3
+exec php /app/artisan queue:work -n --delay=90 --tries=3